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/******************************************************************************
* Project: GDAL/OGR Java bindings
* Purpose: Add javadoc located in a special file into generated SWIG Java files
* Author: Even Rouault <even dot rouault at spatialys.com>
*
*******************************************************************************
* Copyright (c) 2009, Even Rouault <even dot rouault at spatialys.com>
*
* SPDX-License-Identifier: MIT
*******************************************************************************/
/* NOTE : this is really a quick and very dirty hack to put the javadoc contained */
/* in a special formatted file, javadoc.java, into the SWIG generated java files */
/* This program leaks memory and would crash easily on unexpected inputs */
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#define TRUE 1
#define FALSE 0
typedef struct
{
char* methodName;
char* compactMethodName;
char* javadoc;
int bUsed;
int bHide;
} JavaDocInstance;
char* stripline(char* pszBuf)
{
int i = 0;
while(pszBuf[i] == ' ' && pszBuf[i] != 0)
i ++;
memmove(pszBuf, pszBuf + i, strlen(pszBuf) - i + 1);
i = strlen(pszBuf) - 1;
while(i > 0 && (pszBuf[i] == '{' || pszBuf[i] == '\n' || pszBuf[i] == ' '))
{
pszBuf[i] = 0;
i--;
}
return pszBuf;
}
/* Remove argument names from function prototype, so that we used the */
/* argument names from javadoc.java instead of the ones provided by default by the */
/* bindings */
char* removeargnames(char* pszBuf)
{
if (strstr(pszBuf, "="))
{
*strstr(pszBuf, "=") = 0;
stripline(pszBuf);
}
if (strstr(pszBuf, "(") == NULL)
return pszBuf;
//fprintf(stderr, "%s\n", pszBuf);
if (strstr(pszBuf, "{"))
{
*strstr(pszBuf, "{") = 0;
stripline(pszBuf);
}
else
{
int i = strstr(pszBuf, ")") - pszBuf - 1;
char* lastOK = strstr(pszBuf, ")");
while(i>0 && pszBuf[i] == ' ')
i --;
while(i>0)
{
if (pszBuf[i] == '(')
break;
if (pszBuf[i] == ' ' || pszBuf[i] == ']')
{
if (pszBuf[i] == ' ')
memmove(pszBuf + i + 1, lastOK, strlen(lastOK) + 1);
else
memmove(pszBuf + i, lastOK, strlen(lastOK) + 1);
while(pszBuf[i] != ',' && pszBuf[i] != '(')
i --;
if (pszBuf[i] == ',')
lastOK = pszBuf + i;
else
break;
}
i --;
}
i = strstr(pszBuf, "(") - pszBuf;
while(pszBuf[i])
{
if (pszBuf[i] == ' ')
memmove(pszBuf + i, pszBuf + i + 1, strlen(pszBuf + i + 1) + 1);
else
i++;
}
}
//fprintf(stderr, "after : %s\n", pszBuf);
return pszBuf;
}
static void ignore_ret(char* x)
{
(void)x;
}
int main(int argc, char* argv[])
{
const char* patch_filename = argv[1];
FILE* fSrc = fopen(patch_filename, "rt");
if( fSrc == NULL )
{
fprintf(stderr, "Cannot open %s\n", patch_filename);
return 1;
}
FILE* fDst;
JavaDocInstance* instances = (JavaDocInstance*)calloc(sizeof(JavaDocInstance), 3000);
int nInstances = 0;
char szLine[1024];
char szClass[256];
char javadoc[16384];
szClass[0] = 0;
while(fgets(szLine, 1023, fSrc))
{
if (strstr(szLine, "/**") == NULL) continue;
begin:
strcpy(javadoc, szLine);
while(fgets(szLine, 1023, fSrc))
{
strcat(javadoc, szLine);
if (strstr(szLine, "*/"))
break;
}
while(fgets(szLine, 1023, fSrc))
{
if (szLine[0] == 10)
continue;
else if (strstr(szLine, "*") == NULL)
{
instances[nInstances].javadoc = strdup(javadoc);
char* pszLine = szLine;
if (strncmp(pszLine, "@hide ", 6) == 0)
{
instances[nInstances].bHide = 1;
pszLine += 6;
}
else
instances[nInstances].bHide = 0;
instances[nInstances].methodName = strdup(stripline(pszLine));
instances[nInstances].compactMethodName = strdup(removeargnames(stripline(pszLine)));
nInstances++;
}
else
break;
}
if (strstr(szLine, "/**") != NULL)
goto begin;
}
//fprintf(stderr, "nInstances=%d\n", nInstances);
fclose(fSrc);
int i;
for(i=3;i<argc;i++)
{
if( strstr(argv[i], "AsyncReader.java") )
{
fprintf(stderr, "Skipping %s\n", argv[i]);
continue;
}
fSrc = fopen(argv[i], "rt");
if (fSrc == NULL)
{
fprintf(stderr, "Cannot open %s\n", argv[i]);
continue;
}
char szDstName[1024];
sprintf(szDstName, "%s/%s", argv[2], argv[i]);
fDst = fopen(szDstName, "wt");
if (fDst == NULL)
{
fprintf(stderr, "Cannot write %s\n", szDstName);
continue;
}
szClass[0] = 0;
char szPackage[256];
szPackage[0] = 0;
while(fgets(szLine, 1023, fSrc))
{
char szMethodName[2048];
char* szOriLine = strdup(szLine);
if (strstr(szLine, "package"))
{
strcpy(szPackage, szLine);
}
else if (strstr(szLine, "public class") || strstr(szLine, "public interface"))
{
strcpy(szClass, stripline(szLine));
if (strstr(szClass, "extends"))
{
*strstr(szClass, "extends") = 0;
stripline(szClass);
}
if (strstr(szClass, "implements"))
{
*strstr(szClass, "implements") = 0;
stripline(szClass);
}
if (strstr(szLine, "Driver"))
{
if (strstr(szPackage, "org.gdal.gdal"))
strcpy(szLine, "public class org.gdal.gdal.Driver");
else
strcpy(szLine, "public class org.gdal.ogr.Driver");
strcpy(szClass, szLine);
}
}
if (strstr(szLine, "synchronized "))
{
char* c = strstr(szLine, "synchronized ");
*c = 0;
memmove(c, c + 13, strlen(c + 13) + 1);
}
if (strstr(szLine, "public") && !strstr(szLine, "native"))
{
if (strchr(szLine, '(') && !strchr(szLine,')'))
{
strcpy(szMethodName, szLine);
do
{
ignore_ret(fgets(szLine, 1023, fSrc));
strcpy(szMethodName + strlen(szMethodName) - 1, szLine);
} while (!strchr(szMethodName,')'));
strcpy(szLine, szMethodName);
free(szOriLine);
szOriLine = strdup(szMethodName);
//fprintf(stderr, "%s\n", szOriLine);
}
if (strchr(szLine, '(') || strchr(szLine, '='))
sprintf(szMethodName, "%s:%s", szClass, removeargnames(stripline(szLine)));
else
strcpy(szMethodName, szClass);
//fprintf(stderr, "%s\n", szMethodName);
int j;
for(j=0;j<nInstances;j++)
{
if (strcmp(instances[j].compactMethodName, szMethodName) == 0)
{
instances[j].bUsed = TRUE;
//fprintf(stderr, "found match for %s\n", szMethodName);
if (instances[j].bHide)
{
if (strstr(szLine, "final static") == NULL)
{
do
{
ignore_ret(fgets(szLine, 1023, fSrc));
} while (!strchr(szLine,'}'));
}
break;
}
fprintf(fDst, "%s", instances[j].javadoc);
if (strchr(szMethodName, '('))
{
fprintf(fDst, "%s;\n", strchr(instances[j].methodName, ':')+1);
int nBrackets = 0;
int bFoundOpen = FALSE;
strcpy(szLine, szOriLine);
do
{
int j;
for(j=0;szLine[j];j++)
{
if (szLine[j] == '{')
{
bFoundOpen = TRUE;
nBrackets ++;
}
else if (szLine[j] == '}')
{
nBrackets --;
}
}
ignore_ret(fgets(szLine, 1023, fSrc));
} while(bFoundOpen == FALSE || nBrackets > 0);
}
else
fprintf(fDst, "%s", szOriLine);
break;
}
}
if (j == nInstances)
{
if (strstr(szOriLine, "public") && (strstr(szOriLine, "getCPtr") || strstr(szOriLine, "long cPtr")))
{
char* c = strstr(szOriLine, "public");
*c = 0;
fprintf(fDst, "%s private %s", szOriLine, c + 6);
}
else
fprintf(fDst, "%s", szOriLine);
}
}
else
fprintf(fDst, "%s", szOriLine);
free(szOriLine);
}
fclose(fSrc);
fclose(fDst);
}
int j;
for(j=0;j<nInstances;j++)
{
if (!instances[j].bUsed)
fprintf(stderr, "WARNING: did not find occurrence of %s\n", instances[j].methodName);
}
return 0;
}
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